JPS5723933B2 - - Google Patents
Info
- Publication number
- JPS5723933B2 JPS5723933B2 JP3278776A JP3278776A JPS5723933B2 JP S5723933 B2 JPS5723933 B2 JP S5723933B2 JP 3278776 A JP3278776 A JP 3278776A JP 3278776 A JP3278776 A JP 3278776A JP S5723933 B2 JPS5723933 B2 JP S5723933B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3278776A JPS52116204A (en) | 1976-03-25 | 1976-03-25 | Method of forming grooves of desired sectional forms to information re cording medium master disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3278776A JPS52116204A (en) | 1976-03-25 | 1976-03-25 | Method of forming grooves of desired sectional forms to information re cording medium master disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52116204A JPS52116204A (en) | 1977-09-29 |
| JPS5723933B2 true JPS5723933B2 (enExample) | 1982-05-21 |
Family
ID=12368551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3278776A Granted JPS52116204A (en) | 1976-03-25 | 1976-03-25 | Method of forming grooves of desired sectional forms to information re cording medium master disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52116204A (enExample) |
-
1976
- 1976-03-25 JP JP3278776A patent/JPS52116204A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52116204A (en) | 1977-09-29 |